RFID Lubricator Device Remote Monitoring Control
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Solution Overview
Problem
Existing automatic single-point lubricator devices for industrial machines require manual monitoring of status indicators to ensure proper operation, lacking centralized control and data logging for efficient lubrication scheduling and error detection.
Innovation Solution
A lubricator device equipped with a Radio Frequency Identification (RFID) module, including a processor, memory, RF receiver, and transmitter, allowing for remote control and monitoring through a computer system, enabling programmable lubrication schedules, real-time operational parameter logging, and error signal transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual monitoring of status indicators is used, then device complexity is reduced, but productivity decreases due to frequent manual inspections
Solution Approach 1:
The lubricator device automatically monitors its own operational status through integrated sensors that detect lubricant levels, dispensing events, and error conditions. The device self-reporting eliminates the need for manual inspections while maintaining simple operation for the user.
Solution Approach 2:
The system implements automatic feedback loops where operational parameters are continuously monitored and reported to a central computer. Status indicators provide real-time feedback on lubricant levels, dispensing events, and error conditions, enabling automated scheduling and reducing manual intervention.
2Reliability
If centralized control and data logging are implemented, then reliability of lubrication scheduling is improved, but device complexity increases
Solution Approach 1:
The control system is segmented into modular components: a microprocessor-based controller within the lubricator, wireless communication modules, and a separate central computer for data logging and scheduling. This segmentation allows reliable centralized control while keeping individual device complexity manageable.
Solution Approach 2:
A wireless communication intermediary transmits operational data from the lubricator device to the central computer, and control commands from the computer back to the device. This intermediary layer enables reliable centralized scheduling without requiring complex integrated circuits within the lubricator itself.
3Measurement precision
If real-time operational parameter logging is enabled, then measurement precision of lubrication events is improved, but use of energy increases
Solution Approach 1:
The system logs operational parameters at periodic intervals corresponding to dispensing events rather than continuously. The microprocessor enters low-power modes between events, transmitting data only when lubrication events occur or when queried by the central computer, thereby reducing overall energy consumption while maintaining precise measurement of actual lubrication events.
Data Source
AI summary
One aspect of the invention provides a lubricator device for dispensing a lubricant to a lubrication point of a machine. The device includes an electric dispensing mechanism including an electronic control circuit. The control circuit includes an RF receiver for receiving control signals, e.g. signals incorporating a lubrication schedule to be adopted by the control circuit, and an RF transmitter for transmitting operational signals incorporating an ID code of the device and at least one operational parameter of the device. Such at least one operational parameter may include one indicative of an amount of lubricant dispensed or one indicative of an error condition. Another aspect of the invention provides a lubrication system including a plurality of lubricator devices, as referred to, and a computer in communication with them for monitoring their operation via operational signals received from them and for controlling their operation via control signals transmitted to them.